RU2478654C2 - Способ получения тонкодисперсного порошка политетрафторэтилена - Google Patents

Способ получения тонкодисперсного порошка политетрафторэтилена Download PDF

Info

Publication number
RU2478654C2
RU2478654C2 RU2010146238/04A RU2010146238A RU2478654C2 RU 2478654 C2 RU2478654 C2 RU 2478654C2 RU 2010146238/04 A RU2010146238/04 A RU 2010146238/04A RU 2010146238 A RU2010146238 A RU 2010146238A RU 2478654 C2 RU2478654 C2 RU 2478654C2
Authority
RU
Russia
Prior art keywords
ocf
ptfe
cooh
powder
fine powder
Prior art date
Application number
RU2010146238/04A
Other languages
English (en)
Russian (ru)
Other versions
RU2010146238A (ru
Inventor
Синиа ХИГУТИ
Ясухико МАЦУОКА
Сигеки КОБАЯСИ
Original Assignee
Асахи Гласс Компани, Лимитед
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Асахи Гласс Компани, Лимитед filed Critical Асахи Гласс Компани, Лимитед
Publication of RU2010146238A publication Critical patent/RU2010146238A/ru
Application granted granted Critical
Publication of RU2478654C2 publication Critical patent/RU2478654C2/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium
    • C08F2/22—Emulsion polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F114/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F114/18—Monomers containing fluorine
    • C08F114/26—Tetrafluoroethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18—Monomers containing fluorine
    • C08F14/26—Tetrafluoroethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
RU2010146238/04A 2008-04-14 2009-04-13 Способ получения тонкодисперсного порошка политетрафторэтилена RU2478654C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008104307 2008-04-14
JP2008-104307 2008-04-14
PCT/JP2009/057460 WO2009128432A1 (ja) 2008-04-14 2009-04-13 ポリテトラフルオロエチレンファインパウダーの製造方法

Publications (2)

Publication Number Publication Date
RU2010146238A RU2010146238A (ru) 2012-05-20
RU2478654C2 true RU2478654C2 (ru) 2013-04-10

Family

ID=41199123

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2010146238/04A RU2478654C2 (ru) 2008-04-14 2009-04-13 Способ получения тонкодисперсного порошка политетрафторэтилена

Country Status (7)

Country Link
US (1) US7973127B2 (ja)
EP (1) EP2267047B1 (ja)
JP (1) JP5392251B2 (ja)
CN (1) CN101998968B (ja)
AT (1) ATE541870T1 (ja)
RU (1) RU2478654C2 (ja)
WO (1) WO2009128432A1 (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2287209B1 (en) * 2008-05-21 2012-09-12 Asahi Glass Company, Limited Method for producing polytetrafluoroethylene fine powder
JP5668689B2 (ja) * 2009-11-09 2015-02-12 旭硝子株式会社 ポリテトラフルオロエチレン水性乳化液及びその製造方法、該水性乳化液を用いて得られるポリテトラフルオロエチレン水性分散液、ポリテトラフルオロエチレンファインパウダー並びに延伸多孔体
WO2012043757A1 (ja) 2010-09-30 2012-04-05 ダイキン工業株式会社 ポリテトラフルオロエチレンファインパウダーの製造方法
EP2623556A4 (en) * 2010-09-30 2015-03-11 Daikin Ind Ltd DRIP AND RESIN CONNECTION
US9309335B2 (en) * 2010-09-30 2016-04-12 Daikin Industries, Ltd. Process for producing polytetrafluoroethylene fine powder
JP5533961B2 (ja) * 2011-08-25 2014-06-25 ダイキン工業株式会社 ポリテトラフルオロエチレン水性分散液の製造方法
CN102443086B (zh) * 2011-10-31 2014-06-25 巨化集团公司 一种低分子量聚四氟乙烯树脂的制备方法
CN104093747B (zh) * 2012-02-02 2016-02-10 旭硝子株式会社 聚四氟乙烯细粉的制造方法
JP2013180259A (ja) * 2012-03-02 2013-09-12 Daikin Industries Ltd ω−ハイドロパーフルオロアルキルカルボン酸の処理方法
CN102936347B (zh) * 2012-10-29 2014-12-31 巨化集团技术中心 一种含氟聚合物微粉的制备方法
EP2955197B1 (en) * 2013-02-05 2019-04-17 AGC Inc. Process for producing polytetrafluoroethylene molding powder and process for producing polytetrafluoroethylene agglomerated product
EP3023441B1 (en) * 2013-07-18 2019-03-06 AGC Inc. Method for producing aqueous dispersion of fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer, and fluorine-containing polymer
CN103497270B (zh) * 2013-10-16 2016-08-17 上海三爱富新材料股份有限公司 乙烯/四氟乙烯共聚物浆液的后处理方法
EP3339330B1 (en) * 2015-08-19 2022-08-03 AGC Inc. Production methods for aqueous emulsion, fine powder and stretched porous body of modified polytetrafluoroethylene
EP3385326B1 (en) * 2015-12-01 2020-05-06 AGC Inc. Aqueous polytetrafluoroethylene dispersion
CN107793507A (zh) * 2017-11-02 2018-03-13 浙江衢州鑫巨氟材料有限公司 一种超高分子量聚四氟乙烯树脂的真空干燥工艺方法
CN108383933B (zh) * 2018-03-05 2020-03-17 三明市海斯福化工有限责任公司 一种聚四氟乙烯水性乳液、聚四氟乙烯细粉及制备方法
US12030790B2 (en) 2018-10-03 2024-07-09 Daikin Industries, Ltd. Method for removing fluorine-containing compound from waste water
CN109762081B (zh) * 2018-12-29 2021-06-29 山东华夏神舟新材料有限公司 含氟聚合物乳液的连续凝聚方法及管道式乳化机
WO2021053531A1 (en) * 2019-09-17 2021-03-25 Gujarat Fluorochemicals Limited Low molecular weight polytetrafluoroethylene micropowder and process for preparing the same
CN116217765B (zh) * 2021-12-03 2024-04-02 中昊晨光化工研究院有限公司 一种干法电极粘结剂用聚四氟乙烯分散树脂及其制备方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2055081C1 (ru) * 1990-07-13 1996-02-27 Хехст АГ Способ суспензионной полимеризации тетрафторэтилена
RU2270838C2 (ru) * 2001-03-14 2006-02-27 Асахи Гласс Компани, Лимитед Способ получения тетрафторэтиленового полимера

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2544040C2 (de) 1975-10-02 1981-09-24 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von modifizierten Tetrafluoräthylen-Dispersionspolymerisaten
US5756620A (en) 1995-11-15 1998-05-26 E. I. Du Pont De Nemours And Company Tetrafluoroethylene polymer for improved paste extrusion
JP3267129B2 (ja) 1995-11-28 2002-03-18 日立電線株式会社 ポリテトラフルオロエチレンの一軸延伸成形物及びその製造方法
PL349004A1 (en) * 1999-01-29 2002-06-17 Dyneon Gmbh Tetrafluoro ethylene / hexafluoro propylene copolymers with better ductility
DE19903657A1 (de) * 1999-01-29 2000-08-03 Dyneon Gmbh Tetrafluorethylen/Hexafluorpropylen-Copolymere mit besserer Aufziehbarkeit
US6395848B1 (en) * 1999-05-20 2002-05-28 E. I. Du Pont De Nemours And Company Polymerization of fluoromonomers
JP4042390B2 (ja) * 2001-03-26 2008-02-06 旭硝子株式会社 強度に優れるテトラフルオロエチレン重合体の製造方法
JP3900883B2 (ja) * 2001-10-05 2007-04-04 ダイキン工業株式会社 含フッ素重合体ラテックスの製造方法
WO2004000734A1 (ja) * 2002-06-19 2003-12-31 Sasakura Engineering Co., Ltd. 含フッ素乳化剤の回収方法
US7569631B2 (en) * 2003-07-16 2009-08-04 Daikin Industries, Ltd. Method for producing fluorine-containing polymer, aqueous dispersion of fluorine-containing polymer,2-acyloxycarboxylic acid derivative, and surface active agent
CN101421319B (zh) * 2006-04-13 2012-03-07 大金工业株式会社 四氟乙烯聚合物及其水性分散液
US8153738B2 (en) * 2008-12-23 2012-04-10 E I Du Pont De Nemours And Company Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer
US8835547B2 (en) * 2008-12-23 2014-09-16 E I Du Pont De Nemours And Company Fluoropolymer particles having a nucleus of fluorinated ionomer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2055081C1 (ru) * 1990-07-13 1996-02-27 Хехст АГ Способ суспензионной полимеризации тетрафторэтилена
RU2270838C2 (ru) * 2001-03-14 2006-02-27 Асахи Гласс Компани, Лимитед Способ получения тетрафторэтиленового полимера

Also Published As

Publication number Publication date
EP2267047B1 (en) 2012-01-18
ATE541870T1 (de) 2012-02-15
CN101998968B (zh) 2012-08-29
US7973127B2 (en) 2011-07-05
RU2010146238A (ru) 2012-05-20
WO2009128432A1 (ja) 2009-10-22
JP5392251B2 (ja) 2014-01-22
EP2267047A4 (en) 2011-01-12
EP2267047A1 (en) 2010-12-29
CN101998968A (zh) 2011-03-30
JPWO2009128432A1 (ja) 2011-08-04
US20110021728A1 (en) 2011-01-27

Similar Documents

Publication Publication Date Title
RU2478654C2 (ru) Способ получения тонкодисперсного порошка политетрафторэтилена
RU2478653C2 (ru) Способ получения тонкодисперсного порошка политетрафторэтилена
EP1939222B1 (en) Process for producing an aqueous polytetrafluoroethylene emulsion, and polytetrafluoroethylene fine powder and porous material produced from the same
EP3000829B1 (en) Method for producing aqueous polytetrafluoroethylene dispersion
EP2810958B1 (en) Method for producing polytetrafluoroethylene fine powder
EP2500366B2 (en) Aqueous polytetrafluoroethylene emulsion and process for production thereof, aqueous polytetrafluoroethylene dispersion obtained using the emulsion, polytetrafluoroethylene fine powder, and stretch-expanded body
EP3339330B1 (en) Production methods for aqueous emulsion, fine powder and stretched porous body of modified polytetrafluoroethylene
RU2448982C2 (ru) Способ получения фторполимера с использованием производного фторкарбоновой кислоты
RU2308464C2 (ru) Тетрафторэтиленовый сополимер, способ его получения и продукт, полученный экструдированием пасты

Legal Events

Date Code Title Description
PD4A Correction of name of patent owner